Which airline is most commonly chosen for flights from London to Sydney?

For flights from London to Sydney, offers from China Eastern, China Southern and Hainan Airlines are chosen most frequently. This reflects which airlines have been particularly popular with users on this route over the past year. Whether an airline suits you also depends on price, flight times, baggage and possible stopovers.

In which months do idealo users most frequently search for flights from London to Sydney?

Flights from London to Sydney are most frequently searched for travel in June, July and February. If you are planning to fly in one of these months, it may be worth comparing offers early. Outside the most popular months, you may find more choice or cheaper connections.

Which departure days are most popular for flights from London to Sydney?

For flights from London to Sydney, departures on Wednesday, Friday and Sunday are particularly in demand. Demand can be higher on popular travel days, so it is worth checking alternative departure days. You may find more suitable flight times or cheaper offers.

How long is the typical stay on trips from London to Sydney?

For trips from London to Sydney, stays of 14, 19 and 24 days are most commonly searched. These trip lengths are particularly popular with idealo users on this route.

Book cheap flights from London to Sydney

Our cheapest offers for flights from London to Sydney

Here you can compare cheap flights from London (LON) to Sydney (SYD) for one-way or return trips. The following offers were searched for and found on idealo during the last few days. Or start your own flight search to Sydney. Prices and availability may change at any time.

	Outbound	Return	Airlines	Baggage	Price
London Sydney	Outbound 01/12/26 1 Stopover (PEK) CA0856, CA0177 35h 10min	Return 08/12/26 1 Stopover (PEK) CA0178, CA0855 30h 15min	Air China		£659
Best option London Sydney	Outbound 01/12/26 1 Stopover (SIN) SQ0309, SQ0211 24h 55min	Return 08/12/26 1 Stopover (SIN) SQ0242, SQ0314 24h 50min	Singapore Airlines		£993
London Sydney	Outbound 01/12/26 1 Stopover (PEK) CA0856, CA0177 35h 10min	Return 08/12/26 1 Stopover (PEK) CA0178, CA0855 30h 15min	Air China		£660
London Sydney	Outbound 01/12/26 1 Stopover (PEK) CA0938, CA0173 25h 10min	Return 08/12/26 1 Stopover (PEK) CA0178, CA0937 32h 10min	Air China		£700
London Sydney	Outbound 01/12/26 1 Stopover (PEK) CA0938, CA0173 25h 10min	Return 08/12/26 1 Stopover (PEK) CA0178, CA0855 30h 15min	Air China	?	£730
London Sydney	Outbound 01/12/26 1 Stopover (PEK) CA0938, CA0173 25h 10min	Return 08/12/26 1 Stopover (PEK) CA0178, CA0855 30h 15min	Air China	?	£758
London Sydney	Outbound 01/12/26 1 Stopover (CAN) CZ0304, CZ0301 35h 20min	Return 08/12/26 1 Stopover (CAN) CZ0302, CZ0303 31h 25min	China Southern Airlines		£896
London Sydney	Outbound 01/12/26 2 Stopovers (CGO, CAN) CZ0654, CZ3395, CZ0301 37h 00min	Return 08/12/26 1 Stopover (CAN) CZ0302, CZ0689 43h 20min	China Southern Airlines		£910
London Sydney	Outbound 06/10/26 1 Stopover (DEL) AI0162, AI0302 24h 20min	Return 20/10/26 1 Stopover (DEL) AI0301, AI2017 31h 25min	Air India		£919
London Sydney	Outbound 06/10/26 1 Stopover (DEL) AI0162, AI0302 24h 20min	Return 20/10/26 1 Stopover (DEL) AI0301, AI2017 31h 25min	Air India		£932

Tips and tricks to help you find cheap flights from London to Sydney

Useful information about the flight from London to Sydney

Flights from London to Sydney

The flight route from London (LON) to Sydney (SYD) in Australia is extremely popular in the UK. At a distance of 10,600 miles, the flight time will always take at least 22 hours. Aircraft will almost always land at least once en route to refuel, the actual duration of the journey can therefore vary. This is one of the longest haul routes and airlines operating on this route include Quantas, British Airways, Virgin Atlantic, Cathay and Emirates. There are various routes to choose from, with stopovers either in the Middle East, Asia or even to the west, in the United States. A direct flight from London to Sydney is operated by Qantas and British Airways, taking between 22 and 23 hours.

Cheap flight from London to Sydney

Prices of air tickets fluctuate according to the season and a low cost flight can be purchased for as little as £800 return. Longer flights with two stopovers are the cheapest, but could take as long as 40 hours. Last minute deals are usually not that much more expensive but will be harder to find.

Sydney Airport

The departure airports in London are Gatwick and Heathrow. There is only one destination airport in Sydney, Sydney Kingsford Smith Airport, which is the busiest airport in Australia. The airport is located about 10 miles south of central Sydney. Transport links to and from Sydney airport are provided by buses and trains. Those with late arrival times also have the option of staying at one of the Sydney airport hotels. As the international gateway to Australia, Sydney airport also has connections to many further airports in Australia.

Important flight information

Frequently Asked Questions (FAQ)

Flight information: London - Sydney

Outbound and return from	£658.99
Flight duration	min. 20:30 / max. 21:00
Return flight duration	min. 22:00/ max. 22:25
Distance	17020 km
Flights per week	16
Departure airport	Airport London (LCY, LGW, LHR, LTN, STN, SEN) (LON)
Arrival airport	Airport Sydney Kingsford Smith (SYD)
Destination country	Flights to Australia
Departure airport - Destination country	London (LCY, LGW, LHR, LTN, STN, SEN) - Australia

Alternative routes to Australia

Alternative flights to Sydney

Flight London Heathrow - Sydney from £659
Flight London Gatwick - Sydney from £910
Flight Manchester - Sydney from £924
Flight Birmingham - Sydney from £985
Flight London City - Sydney from £1,040

Flight Routes from London to Sydney